Update {virtual,override,final} to follow C++11 style in chrome/browser/chromeos/login.

chrome/browser/chromeos/login/existing_user_controller_auto_login_unittest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string>
 
 #include "base/message_loop/message_loop.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/existing_user_controller.h"
 #include "chrome/browser/chromeos/login/mock_login_utils.h"
@@ skipping 33 matching lines @@
   ExistingUserControllerAutoLoginTest()
       : auto_login_user_id_(policy::GenerateDeviceLocalAccountUserId(
             kAutoLoginAccountId,
             policy::DeviceLocalAccount::TYPE_PUBLIC_SESSION)),
         ui_thread_(content::BrowserThread::UI, &message_loop_),
         local_state_(TestingBrowserProcess::GetGlobal()),
         mock_user_manager_(new MockUserManager()),
         scoped_user_manager_(mock_user_manager_) {
   }
 
-  virtual void SetUp() {
+  void SetUp() override {
     mock_login_display_host_.reset(new MockLoginDisplayHost);
     mock_login_display_ = new MockLoginDisplay();
     mock_login_utils_ = new MockLoginUtils();
     LoginUtils::Set(mock_login_utils_);
 
     EXPECT_CALL(*mock_login_display_host_.get(), CreateLoginDisplay(_))
         .Times(1)
         .WillOnce(Return(mock_login_display_));
 
     EXPECT_CALL(*mock_login_utils_, DelegateDeleted(_)).Times(AnyNumber());
@@ skipping 211 matching lines @@
   ConfigureAutoLogin();
   ASSERT_TRUE(auto_login_timer());
   EXPECT_FALSE(auto_login_timer()->IsRunning());
   EXPECT_EQ(auto_login_timer()->GetCurrentDelay().InMilliseconds(),
             kAutoLoginDelay2);
   EXPECT_EQ(auto_login_username(), "");
   EXPECT_EQ(auto_login_delay(), kAutoLoginDelay2);
 }
 
 }  // namespace chromeos